CN202228212U - Carburetor midbody capable of strengthening idle speed atomization function of motorcycle carburetor - Google Patents
Carburetor midbody capable of strengthening idle speed atomization function of motorcycle carburetor Download PDFInfo
- Publication number
- CN202228212U CN202228212U CN2011203822226U CN201120382222U CN202228212U CN 202228212 U CN202228212 U CN 202228212U CN 2011203822226 U CN2011203822226 U CN 2011203822226U CN 201120382222 U CN201120382222 U CN 201120382222U CN 202228212 U CN202228212 U CN 202228212U
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- China
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- idle speed
- carburetor
- engine
- idling
- mixed gas
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Abstract
The utility model discloses a carburetor midbody capable of strengthening the idle speed atomization function of a motorcycle carburetor. The carburetor midbody comprises a body of the carburetor midbody, wherein a choke tube and an idle speed oil outlet communicated with a mixing chamber are formed on the body of the carburetor midbody; and the choke tube is communicated with the idle speed oil outlet through an air passage. By adopting the carburetor midbody, the atomization performance of an engine during engine cooling can be improved, the engine can acquire a better supply of atomized and mixed gas in a cold state and can burn and use idle speed mixed gas with lower concentration, the phenomenon that thicker mixed gas needs to be burned and used to maintain the idle speed stability, which is caused by poor atomization, is avoided, idle speed differences during engine heating and engine cooling of the engine can be improved particularly at a low temperature, so that the idle speed performance of the engine during engine cooling is improved, the concentration of the mixed gas at an idle speed is reduced, the idle speed stability can be maintained even if the engine burns the dilute mixed gas, and the engine can acquire more stable idle speed performance and reduce the emission of waste gas.
Description
Technical field
The utility model belongs to motorcycle carburetor manufacturing technology field, relates to the middle body in a kind of Carburetor, is specifically related to a kind of carburetter connector that can strengthen motorcycle carburetor idling atomizing functions.
Background technique
Air fuel ratio when existing motorcycle carburetor is regulated engine idle through the idling oil outlet in the carburetter connector.Because the restriction of carburetter connector structure can't produce stronger atomization air flow promotion fuel-oil atmozation in the oil duct of idling oil outlet, during to idling in the Carburetor atomization of mixed gas cause certain influence; Carburetor atomization variation when particularly temperature is low; Mixed gas reduces with temperature and thinning, and is more obvious to the influence that engine idling performance produces, the idle stability when solving cold machine; Need use dense partially mixed gas, discharge amount of exhaust gas is increased.
The model utility content
In order to overcome the problem that exists in the above-mentioned existing technology; The purpose of the utility model provides a kind of carburetter connector that can strengthen motorcycle carburetor idling atomizing functions; The atomization of mixed gas in the Carburetor in the time of improving idling, the idle stability when guaranteeing cold machine reduces discharge amount of exhaust gas.
For realizing above-mentioned purpose; The technological scheme that the utility model adopted is; A kind of carburetter connector that can strengthen motorcycle carburetor idling atomizing functions comprises the carburetter connector body, and the carburetter connector body is provided with engine interface, trunnion and mixing chamber; Mixing chamber communicates with the idling oil outlet, and trunnion communicates with the idling oil outlet through air flue.
Be provided with barrel-shaped mist pipe in the mixing chamber; Be processed with the spout that communicates with mist pipe inside on the sidewall of mist pipe, mist pipe has an end of end cap to be positioned at mixing chamber, and spout also is positioned at mixing chamber; Spout is towards the direction setting of engine interface, and the other end of mist pipe communicates with the idling oil outlet.
Air flue comprises tonifying Qi metering-orifice and the tonifying Qi hole that communicates, and the other end of tonifying Qi metering-orifice communicates with trunnion, and the other end in tonifying Qi hole communicates with the idling oil outlet.
The diameter of tonifying Qi metering-orifice is 0.7mm～1.2mm.
Be provided with mist pipe in the utility model carburetter connector; This mist pipe through respective channel respectively with carburetter connector on tonifying Qi metering-orifice and idle metering jet communicate; Utilize the negative pressure of engine producing during idling, in mist pipe, form high-speed air flow, make the air stream in the tonifying Qi metering-orifice in mist pipe, carry out secondary-atomizing the mixed gas that the idling oil outlet sprays; Strengthened the mixed gas atomization of Carburetor when engine cold state; Thereby alleviated motor when idling because of mixed gas with the cooling and heating machine difference that temperature variation causes, the influence that atomization badness produces engine idle speed stability in the time of can improving cold machine, and then improved the idle stability of motor; Also because of using the rarer mixed gas of concentration, reduce toxic emission simultaneously.
Description of drawings
Fig. 1 is the sectional view of a kind of embodiment of the utility model carburetter connector in mist pipe and tonifying Qi hole site.
Fig. 2 is the sectional view of carburetter connector shown in Figure 1 in proportions of ingredients hole and oil channel hole position.
Fig. 3 is the sectional view of carburetter connector shown in Figure 1 in oil duct consent, idle fuel way hole auxiliary hole and proportions of ingredients hole site.
Fig. 4 is the sectional view of carburetter connector shown in Figure 1 in oil duct consent, oil channel hole and idle metering jet position.
Fig. 5 is the sectional view of carburetter connector shown in Figure 1 in idle metering jet and idling air hole position.
Fig. 6 is another embodiment's of the utility model carburetter connector a structural representation.
Fig. 7 is the left view of Fig. 6.
Among the figure, 1. carburetter connector body, 2. engine interface, 3. trunnion, 4. mixing chamber, 5. closure; 6. mist pipe spout, 7. mist pipe, 8. tonifying Qi metering-orifice, 9. idling oil outlet, 10. tonifying Qi hole; 11. the tonifying Qi auxiliary hole, 12. proportions of ingredients screws, 13. proportions of ingredients screw holes, 14. idle fuel way holes, 15. proportions of ingredients holes; 16. the idle fuel way auxiliary hole, 17. oil duct consents, 18. oil channel holes, 19. idle metering jet mounting holes, 20. idle metering jets; 21. idling air jet, 22. idling air holes, 23. idling air auxiliary holes, 24. idle metering jet side openings, 25. mixing chamber back cavities.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
A kind of embodiment's of the utility model carburetter connector structure; Like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5; The structure of its structure and existing carburetter connector is basic identical: comprise carburetter connector body 1, carburetter connector body 1 is provided with the engine interface 2 of air chamber and tubular, is provided with closure 5 in this air chamber; Closure 5 is divided into two-part with this air chamber; Wherein the part towards engine interface 2 is a mixing chamber 4, is mixing chamber back cavity 25 towards the part of trunnion 3, and mixing chamber back cavity 25 communicates with trunnion 3; Be processed with the idling oil outlet 9 that communicates with mixing chamber 4 on the carburetter connector body 1; Also be processed with idle metering jet mounting hole 19 on the carburetter connector body 1; Idle metering jet 20 is installed in the idle metering jet mounting hole 19; Be processed with idle metering jet side opening 24 on this idle metering jet 20, idle metering jet 20 communicates with idling oil outlet 9 through oil channel hole 18, oil duct consent 17, idle fuel way auxiliary hole 16, proportions of ingredients hole 15 and idle fuel way hole 14 successively.Idle metering jet side opening 24 communicates with idling air jet 21 through idling air auxiliary hole 23 and idling air hole 22 successively.Idle metering jet 20 all communicates with idle metering jet mounting hole 19 with idle metering jet side opening 24.Idle fuel way hole 14 also communicates with proportions of ingredients screw hole 13, and proportions of ingredients screw 12 is installed in the proportions of ingredients screw hole 13; The end surface shape of proportions of ingredients screw 12 and idle fuel way hole 14 are suitable with the shape that face is intersected in proportions of ingredients hole 15, and proportions of ingredients screw 12 can move back and forth along the axial direction of proportions of ingredients screw hole 13.
The difference of a kind of embodiment of the utility model carburetter connector and existing carburetter connector is: be processed with tonifying Qi metering-orifice 8 on the carburetter connector body 1; Tonifying Qi metering-orifice 8 communicates with trunnion 3 and mixing chamber back cavity 25 respectively; Tonifying Qi metering-orifice 8 communicates with tonifying Qi hole 10 through tonifying Qi auxiliary hole 11, and tonifying Qi hole 10 communicates with idling oil outlet 9; Be provided with barrel-shaped mist pipe 7 in the mixing chamber 4, be processed with the spout 6 that communicates with mist pipe 7 inside on the sidewall of mist pipe 7, mist pipe 7 has an end of end cap to be positioned at mixing chamber 4, and spout 6 also is positioned at mixing chamber 4, and towards engine interface 2; The other end of mist pipe 7 communicates with idling oil outlet 9.
When motor is in running order; Produce negative pressure in the mixing chamber 4; This negative pressure acts on idle metering jet 20, idling air jet 21 and tonifying Qi metering-orifice 8 simultaneously, makes fuel oil through behind the idle metering jet 20, by process idle metering jet side opening 24 of the air in the idling air jet 21 and fuel-oil atmozation; Produce the idling mixed gas of atomizing; This idling mixed gas gets into idling oil outlet 9 through oil channel hole 18, oil duct consent 17, idle fuel way auxiliary hole 16, proportions of ingredients hole 15 and idle fuel way hole 14 successively, and meanwhile, the air in the tonifying Qi metering-orifice 8 also gets into idling oil outlet 9 through tonifying Qi auxiliary hole 11 and tonifying Qi hole 10; The idling mixed gas and the air that get into idling oil outlet 9 pour in the mist pipe 7 at a high speed under suction function, in mist pipe 7, the idling mixed gas are carried out secondary-atomizing after spout 6 sprays into mixing chamber 4.The concentration of idling mixed gas is regulated by the proportions of ingredients screw 12 that is contained in the proportions of ingredients screw hole 13.
Like Fig. 6 and shown in Figure 7, the structure when the utility model carburetter connector is used for plunger type carburetor comprises carburetter connector body 1; Carburetter connector body 1 is provided with engine interface 2; Be provided with chamber in the carburetter connector body 1, be provided with closure 5 in this chamber, closure 5 is divided into two-part with this chamber; Wherein the part between closure 5 and engine interface 2 is a mixing chamber 4, and another part is a trunnion 3; Also be provided with idling oil outlet 9 in the carburetter connector body 1, an end of idling oil outlet 9 communicates with mixing chamber 4, and the other end of idling oil outlet 9 communicates with tonifying Qi metering-orifice 8 through tonifying Qi hole 10; Idling oil outlet 9 also communicates with proportions of ingredients screw mounting hole 13, and proportions of ingredients screw 12 is installed in the proportions of ingredients screw mounting hole 13, and proportions of ingredients screw 12 can move back and forth along the axial direction of proportions of ingredients screw mounting hole 13; Proportions of ingredients screw mounting hole 13 communicates with idle fuel way hole 14 through proportions of ingredients hole 15.
When motor is in running order; Produce negative pressure in the mixing chamber 4; This negative pressure acts on idle fuel way hole 14 and tonifying Qi metering-orifice 8 simultaneously; The idling mixed gas successively through the idle fuel way hole 14 with proportions of ingredients hole 15, get into idling oil outlet 9, air gets into idling oil outlets 9 through tonifying Qi metering-orifice 8 and tonifying Qi hole 10; The idling mixed gas and the air that get into idling oil outlet 9 converge in idling oil outlet 9, after the high velocity air impact that tonifying Qi metering-orifice 8 produces is carried out secondary-atomizing to the idling mixed gas, get into mixing chambers 4 by idling oil outlet 9.
The diameter of this carburetter connector air metering-orifice 8 is 0.7～1.2mm.
When the utility model carburetter connector can improve engine cold atomization; Make motor when cold conditions, can obtain the mixed gas supply that atomizes preferably; Can use the rare partially idling mixed gas of concentration, avoid keeping idle stability, particularly when low temperature, can improve the cooling and heating machine idling difference of motor because of atomization badness need use dense partially mixed gas; Not only improved the idling performance of motor when cold machine; And the mixture strength when having reduced idling, make the rare mixed gas of engine combustion also can keep the stable of idling, make and start function to obtain more stable idling performance and reduce toxic emission.
Claims (4)
1. carburetter connector that can strengthen motorcycle carburetor idling atomizing functions; Comprise carburetter connector body (1); Carburetter connector body (1) is provided with engine interface (2), trunnion (3) and mixing chamber (4); Mixing chamber (4) communicates with idling oil outlet (9), it is characterized in that, described trunnion (3) communicates with idling oil outlet (9) through air flue.
2. carburetter connector according to claim 1; It is characterized in that, be provided with barrel-shaped mist pipe (7) in the described mixing chamber (4), be processed with the spout (6) that communicates with mist pipe (7) inside on the sidewall of mist pipe (7); Mist pipe (7) has an end of end cap to be positioned at mixing chamber (4); Spout (6) also is positioned at mixing chamber (4), and spout (6) is towards the direction setting of engine interface (2), and the other end of mist pipe (7) communicates with idling oil outlet (9).
3. according to claim 1 or 2 described carburetter connectors; It is characterized in that; Described air flue comprises tonifying Qi metering-orifice (8) and tonifying Qi hole (10) that communicate, and the other end of tonifying Qi metering-orifice (8) communicates with trunnion (3), and the other end of tonifying Qi hole (10) communicates with idling oil outlet (9).
4. carburetter connector according to claim 3 is characterized in that, the diameter of said tonifying Qi metering-orifice (8) is 0.7mm～1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203822226U CN202228212U (en) | 2011-10-10 | 2011-10-10 | Carburetor midbody capable of strengthening idle speed atomization function of motorcycle carburetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203822226U CN202228212U (en) | 2011-10-10 | 2011-10-10 | Carburetor midbody capable of strengthening idle speed atomization function of motorcycle carburetor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228212U true CN202228212U (en) | 2012-05-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203822226U Expired - Fee Related CN202228212U (en) | 2011-10-10 | 2011-10-10 | Carburetor midbody capable of strengthening idle speed atomization function of motorcycle carburetor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387263A (en) * | 2017-09-18 | 2017-11-24 | 厦门友嘉工贸有限公司 | A kind of carburetor for preventing elaioleucite from combining |
-
2011
- 2011-10-10 CN CN2011203822226U patent/CN202228212U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387263A (en) * | 2017-09-18 | 2017-11-24 | 厦门友嘉工贸有限公司 | A kind of carburetor for preventing elaioleucite from combining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20171010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |